Inventor · disambiguated record
Yuichi Ohga
Also filed as: OHGA YUICHI
39 granted patents·14 pending applications·910 citations·filing 1990–2012
98Inventor score
Top patents by PatentIndex Score
53 records- 0198US5474589AUV light-permeable glass and article comprising the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Dec 12, 1995·277 cites·4 claims
- 0292US6324871B1Process for producing optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Dec 4, 2001·26 cites·2 claims
- 0392US5320658AProcess of drawing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jun 14, 1994·54 cites·3 claims
- 0492US5306322AProcess for thermal treatment of glass fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Apr 26, 1994·44 cites·4 claims
- 0592US5259856AMethod of producing glass preform in furnace for heating glassSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Nov 9, 1993·55 cites·6 claims
- 0689US6928840B1Optical fiber producing methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Aug 16, 2005·18 cites·2 claims
- 0787US6490078B2Optical fiber for optical amplifier, optical fiber amplifier and optical fiber laserSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Dec 3, 2002·26 cites·12 claims
- 0887US6466721B1Dispersion compensating optical fiber and optical transmission lineSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Oct 15, 2002·38 cites·15 claims
- 0985US6807823B2Fluorine-containing glassSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Oct 26, 2004·12 cites·2 claims
- 1085US5755849AMethod for elongating glass preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted May 26, 1998·39 cites·6 claims
- 1183US6725690B2Burner for synthesizing glass particles and method for producing porous glass bodySUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Apr 27, 2004·11 cites·5 claims
- 1281US6400878B1Optical fiber and method of making the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jun 4, 2002·12 cites·14 claims
- 1379US6550985B2Method of splicing two optical fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Apr 22, 2003·20 cites·7 claims
- 1477US6748769B2Method of producing glass particles depositSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jun 15, 2004·9 cites·18 claims
- 1576US5788734AMethod for drawing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Aug 4, 1998·24 cites·6 claims
- 1675US9616807B2Vehicle functional componentMIURA TAKAYUKI·Filed 2012·Granted Apr 11, 2017·7 cites·12 claims
- 1775US6851282B2Apparatus and method for making optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Feb 8, 2005·9 cites·7 claims
- 1872US5674306AMethod and apparatus for drawing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Oct 7, 1997·20 cites·8 claims
- 1971US6895783B2Method of producing optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted May 24, 2005·8 cites·11 claims
- 2069US7486862B2Optical fiber and manufacturing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Feb 3, 2009·12 cites·17 claims
- 2168US6427044B1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 30, 2002·11 cites·17 claims
- 2267US5674305AMethod for flame abrasion of glass preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Oct 7, 1997·19 cites·8 claims
- 2366US6705772B2Optical fiber splicing method and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Mar 16, 2004·6 cites·21 claims
- 2463US5685889AMethod for flame abrasion of glass preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Nov 11, 1997·16 cites·2 claims
- 2561US5106401AProcess for thermal treatment of glass fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Apr 21, 1992·18 cites·8 claims
- 2660US5513983AApparatus for vitrifying soot preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted May 7, 1996·16 cites·36 claims
- 2760US5446820AMode field diameter conversion optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Aug 29, 1995·21 cites·12 claims
- 2857US6837077B2Method for producing soot bodySUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Jan 4, 2005·1 cites·7 claims
- 2956US5417399AApparatus for supporting article in heating furnaceSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted May 23, 1995·18 cites·8 claims
- 3054US6301936B1Apparatus for manufacturing porous glass preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Oct 16, 2001·12 cites·9 claims
- 3153US7143608B2Burner for synthesizing glass particles and method for producing porous glass bodySUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Dec 5, 2006·0 cites·5 claims
- 3253US5763081AGlass body for optical fiber method of selecting the same optical fiber and method of making thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jun 9, 1998·11 cites·9 claims
- 3352US5238479AMethod for producing porous glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Aug 24, 1993·11 cites·3 claims
- 3450US5693115AProcess for production of glass preform for optical fiber including consolidating in a furnace with a temperature gradientSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Dec 2, 1997·10 cites·10 claims
- 3550US5338327AMethod of flame abrasion of glass preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Aug 16, 1994·10 cites·10 claims
- 3648US2006101861A1Optical fiber making apparatus and methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Application pending·0 cites
- 3748US2004172977A1Method of producing glass particle-deposited bodySUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Application pending·0 cites
- 3847US6050108AMethod for producing glass preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Apr 18, 2000·8 cites·7 claims
- 3946US2005081565A1Method of producing higher-purity glass element, high-purity glass element, and production method and device for glass tubeSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Application pending·0 cites
- 4045US6889529B2Method of manufacturing optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted May 10, 2005·0 cites·30 claims
- 4145US2002073743A1Method and apparatus for making optical fiber preformFiled 2001·Application pending·0 cites
- 4245US2005262875A1Method of manufacturing glass tube and apparatus of manufacturing glass tube used thereforKUSUNOKI KOHJI·Filed 2005·Application pending·0 cites
- 4344US2004129030A1Method and device for manufacturing glass tubeFiled 2003·Application pending·0 cites
- 4444US2002078715A1Methods and apparatus for drawing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Application pending·0 cites
- 4544US2002139150A1Method and apparatus for elongating optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Application pending·0 cites
- 4644US2004093905A1Method for producing optical fiber base materialFiled 2002·Application pending·0 cites
- 4743US2002037797A1Fluorine-containing glassSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Application pending·0 cites
- 4843US2002116955A1Method of forming soot preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Application pending·0 cites
- 4942US2003101770A1Method and system for producing deposit of fine glass particlesFiled 2002·Application pending·0 cites
- 5040US7194171B2Dispersion compensating optical fiber, dispersion compensating device, optical transmission line and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Mar 20, 2007·0 cites·15 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →